JPS5518538A - Sintered hard alloy and its preparation - Google Patents
Sintered hard alloy and its preparationInfo
- Publication number
- JPS5518538A JPS5518538A JP8972678A JP8972678A JPS5518538A JP S5518538 A JPS5518538 A JP S5518538A JP 8972678 A JP8972678 A JP 8972678A JP 8972678 A JP8972678 A JP 8972678A JP S5518538 A JPS5518538 A JP S5518538A
- Authority
- JP
- Japan
- Prior art keywords
- metal
- group
- hard phase
- iron
- hard
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
PURPOSE: To remarkably improve the cutting property of alloy, by containing Al and O2 in hard phase mainly composed of Ti and sintered hard alloy composed of iron group metal etc. as combination metal.
CONSTITUTION: Hard phase containing 20W50 mol % of Ti, composed of carbide, nitride and oxide of each group metal of IVa, Va, VIa as the rest and hard alloy sintered by comination metal of iron metal group, substituted 0.2W25wt.% of the iron metal group by more than one kind of Cu, Ag, Si, B, are manufactured. On occasion of showing the composition of the hard phase as M(Cu NvOw)z, M is metal constituent, such as Ti etc. and the quantity of C,N,O2 is shown as follows; 0.49≤u≤0.95, 0.04≤v≤0.36, 0.01≤w≤2.0, 0.80≤z≤1.05. Solid solution is formed by adding Al with O2 in hard phase and bonding layer within the limits of 0.1W 20wt.% or at the same time, each group metal of IVa, Va, VIa, C, N, O2 and Al, are dispersed in the form of compound. Abrasion resisting property, thermal toughness, cutting property, are improved remarkably.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8972678A JPS5518538A (en) | 1978-07-21 | 1978-07-21 | Sintered hard alloy and its preparation |
DE2902139A DE2902139C2 (en) | 1978-01-21 | 1979-01-19 | Sintered carbide and its manufacturing process |
FR7901316A FR2423546B1 (en) | 1978-01-21 | 1979-01-19 | HARD SINTERED METALS AND THEIR MANUFACTURING METHOD |
GB7902257A GB2015574B (en) | 1978-01-21 | 1979-01-22 | Sintered metals and the method for producing the same |
US07/267,644 US4973355A (en) | 1978-01-21 | 1988-10-31 | Sintered hard metals and the method for producing the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8972678A JPS5518538A (en) | 1978-07-21 | 1978-07-21 | Sintered hard alloy and its preparation |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5518538A true JPS5518538A (en) | 1980-02-08 |
Family
ID=13978759
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8972678A Pending JPS5518538A (en) | 1978-01-21 | 1978-07-21 | Sintered hard alloy and its preparation |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5518538A (en) |
-
1978
- 1978-07-21 JP JP8972678A patent/JPS5518538A/en active Pending
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